Change ion-input underline color in Ionic 4

Issue

How can we change the default underline color of a ion-text in only a single page in Ionic 4?

Solution

The underline is actually a part of the ion-item, not the ion-input.

ion-item {
  --border-color: var(--ion-color-danger, #f1453d);
}

Answered By - soIGuessIonicIsAThing